Mathematics 5 curriculum guide 2015 I table of contents acknowledgements

Suggested Resource
• Resource Link:
https://www.
k12pl.nl.ca/curr/k-6/math/
grade-5/links/unit2
-Kidspiration®

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MATHEMATICS 5 CURRICULUM GUIDE 2015
Specific Outcomes
ADDING AND SUBTRACTING DECIMALS
Suggestions for Teaching and Learning
Students will be expected to:
Number
Students learned in Grade 4 that they can determine a difference using 
either take away or comparison strategies with base ten blocks.
Each summer Sarah and her family pick bakeapples and sell them. On 
their last outing, Sarah picked 2.75 L. On the way back to the car, she 
tripped and spilled 0.342 L. How much does she now have in her 
container? e.g., 2.75 - 0.342
Students should recognize that this problem involves subtraction.
Students should model the first number, 2.75, using base ten blocks and 
should then ‘take away’ 0.342.
5N11.4 (Continued) Solve a 
given problem that involves 
addition and subtraction of 
decimals, limited to thousandths.
5N11 Continued...
Achievement Indicator:
Ones 
Tenths 
Hundredths 
Thousandths 





This model shows what would be left on the place value mat if students used 
physical manipulatives.
Ones 
Tenths 
Hundredths 
Thousandths 
Ones 
Tenths 
Hundredths 
Thousandths 
They should conclude that Sarah has 2.408 L of bakeapples left. Using 
a place value mat, the following base ten blocks would remain.

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MATHEMATICS 5 CURRICULUM GUIDE 2015
Suggested Assessment Strategies